Chains and heterogens:
PDB Chain Sequences:
>1iqwH (H:) qvqlqqpgaelvkpgasvklsckasgytftsywmqwvkqrpgqglewigeidpsdsytny nqkfkgkatltvdtssstaymqlssltsedsavyycarnrdysnnwyfdvwgtgttvtvs sakttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqs dlytlsssvtvpsstwpsqtvtcnvahpasstkvdkkivprdcgckpcic
>1iqwH (H:) qvqlqqpgaelvkpgasvklsckasgytftsywmqwvkqrpgqglewigeidpsdsytny nqkfkgkatltvdtssstaymqlssltsedsavyycarnrdysnnwyfdvwgtgttvtvs sakttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqs dlytlsssvtvpsstwpsqtvtcnvahpasstkvdkkivpr
>1iqwL (L:) divltqspaslavslgqratisckasqsvdydgdsymnwyqqkpgqppklliyaasnles giparfsgsgsgtdftlnihpveeedaatyycqqsnedprtfgggtkleikradaaptvs ifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysms stltltkdeyerhnsytceathktstspivksfnrnec
>1iqwL (L:) divltqspaslavslgqratisckasqsvdydgdsymnwyqqkpgqppklliyaasnles giparfsgsgsgtdftlnihpveeedaatyycqqsnedprtfgggtkleikradaaptvs ifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysms stltltkdeyerhnsytceathktstspivksfnr